* {
	margin: 0;
	padding: 0;
}
a {
	text-decoration: none;
}
#wrap {
	margin: 0 auto;
	height: 500px;
	position: relative;
}

.aqi-chart-wrap {
	display: inline;
	float: left;
	bottom: 0;
	position: absolute;
}
.aqi-chart-wrap:hover .info {
	display: block;
}
.info {
	text-align: center;
	width: 300px;
	height: 30px;
	line-height: 30px;
	font-size: 16px;
	display: none;
	background: #0088cc;
	color: #FFF;
	margin-top: -50px;
	margin-left: -85px;
}